
(FPCore (x y z) :precision binary64 (+ (* x y) (* z (- 1.0 y))))
double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - y));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * y) + (z * (1.0d0 - y))
end function
public static double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - y));
}
def code(x, y, z): return (x * y) + (z * (1.0 - y))
function code(x, y, z) return Float64(Float64(x * y) + Float64(z * Float64(1.0 - y))) end
function tmp = code(x, y, z) tmp = (x * y) + (z * (1.0 - y)); end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] + N[(z * N[(1.0 - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y + z \cdot \left(1 - y\right)
\end{array}
Sampling outcomes in binary64 precision:
Herbie found 8 alternatives:
| Alternative | Accuracy | Speedup |
|---|
(FPCore (x y z) :precision binary64 (+ (* x y) (* z (- 1.0 y))))
double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - y));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = (x * y) + (z * (1.0d0 - y))
end function
public static double code(double x, double y, double z) {
return (x * y) + (z * (1.0 - y));
}
def code(x, y, z): return (x * y) + (z * (1.0 - y))
function code(x, y, z) return Float64(Float64(x * y) + Float64(z * Float64(1.0 - y))) end
function tmp = code(x, y, z) tmp = (x * y) + (z * (1.0 - y)); end
code[x_, y_, z_] := N[(N[(x * y), $MachinePrecision] + N[(z * N[(1.0 - y), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
x \cdot y + z \cdot \left(1 - y\right)
\end{array}
(FPCore (x y z) :precision binary64 (fma y (- x z) z))
double code(double x, double y, double z) {
return fma(y, (x - z), z);
}
function code(x, y, z) return fma(y, Float64(x - z), z) end
code[x_, y_, z_] := N[(y * N[(x - z), $MachinePrecision] + z), $MachinePrecision]
\begin{array}{l}
\\
\mathsf{fma}\left(y, x - z, z\right)
\end{array}
Initial program 97.6%
distribute-lft-out--97.6%
*-rgt-identity97.6%
cancel-sign-sub-inv97.6%
+-commutative97.6%
associate-+r+97.6%
+-commutative97.6%
distribute-rgt-out100.0%
fma-define100.0%
+-commutative100.0%
unsub-neg100.0%
Simplified100.0%
(FPCore (x y z)
:precision binary64
(let* ((t_0 (* y (- z))))
(if (<= y -2.65e+95)
t_0
(if (<= y -1.3e-16) (* y x) (if (<= y 5.6e-9) z t_0)))))
double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -2.65e+95) {
tmp = t_0;
} else if (y <= -1.3e-16) {
tmp = y * x;
} else if (y <= 5.6e-9) {
tmp = z;
} else {
tmp = t_0;
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: t_0
real(8) :: tmp
t_0 = y * -z
if (y <= (-2.65d+95)) then
tmp = t_0
else if (y <= (-1.3d-16)) then
tmp = y * x
else if (y <= 5.6d-9) then
tmp = z
else
tmp = t_0
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double t_0 = y * -z;
double tmp;
if (y <= -2.65e+95) {
tmp = t_0;
} else if (y <= -1.3e-16) {
tmp = y * x;
} else if (y <= 5.6e-9) {
tmp = z;
} else {
tmp = t_0;
}
return tmp;
}
def code(x, y, z): t_0 = y * -z tmp = 0 if y <= -2.65e+95: tmp = t_0 elif y <= -1.3e-16: tmp = y * x elif y <= 5.6e-9: tmp = z else: tmp = t_0 return tmp
function code(x, y, z) t_0 = Float64(y * Float64(-z)) tmp = 0.0 if (y <= -2.65e+95) tmp = t_0; elseif (y <= -1.3e-16) tmp = Float64(y * x); elseif (y <= 5.6e-9) tmp = z; else tmp = t_0; end return tmp end
function tmp_2 = code(x, y, z) t_0 = y * -z; tmp = 0.0; if (y <= -2.65e+95) tmp = t_0; elseif (y <= -1.3e-16) tmp = y * x; elseif (y <= 5.6e-9) tmp = z; else tmp = t_0; end tmp_2 = tmp; end
code[x_, y_, z_] := Block[{t$95$0 = N[(y * (-z)), $MachinePrecision]}, If[LessEqual[y, -2.65e+95], t$95$0, If[LessEqual[y, -1.3e-16], N[(y * x), $MachinePrecision], If[LessEqual[y, 5.6e-9], z, t$95$0]]]]
\begin{array}{l}
\\
\begin{array}{l}
t_0 := y \cdot \left(-z\right)\\
\mathbf{if}\;y \leq -2.65 \cdot 10^{+95}:\\
\;\;\;\;t\_0\\
\mathbf{elif}\;y \leq -1.3 \cdot 10^{-16}:\\
\;\;\;\;y \cdot x\\
\mathbf{elif}\;y \leq 5.6 \cdot 10^{-9}:\\
\;\;\;\;z\\
\mathbf{else}:\\
\;\;\;\;t\_0\\
\end{array}
\end{array}
if y < -2.6500000000000001e95 or 5.59999999999999969e-9 < y Initial program 94.4%
Taylor expanded in y around inf 99.3%
neg-mul-199.3%
sub-neg99.3%
Simplified99.3%
Taylor expanded in x around 0 59.7%
associate-*r*59.7%
neg-mul-159.7%
*-commutative59.7%
Simplified59.7%
if -2.6500000000000001e95 < y < -1.2999999999999999e-16Initial program 99.9%
Taylor expanded in x around inf 63.9%
*-commutative63.9%
Simplified63.9%
if -1.2999999999999999e-16 < y < 5.59999999999999969e-9Initial program 100.0%
+-commutative100.0%
distribute-lft-out--100.0%
*-rgt-identity100.0%
cancel-sign-sub-inv100.0%
+-commutative100.0%
+-commutative100.0%
associate-+l+100.0%
distribute-lft-neg-out100.0%
remove-double-neg100.0%
distribute-rgt-neg-out100.0%
distribute-neg-out100.0%
sub-neg100.0%
distribute-rgt-neg-out100.0%
sub-neg100.0%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in y around inf 77.7%
Taylor expanded in y around 0 79.0%
Final simplification69.9%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.0) (not (<= y 5.6e-9))) (* y (- x z)) (+ z (* y x))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.0) || !(y <= 5.6e-9)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if ((y <= (-1.0d0)) .or. (.not. (y <= 5.6d-9))) then
tmp = y * (x - z)
else
tmp = z + (y * x)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -1.0) || !(y <= 5.6e-9)) {
tmp = y * (x - z);
} else {
tmp = z + (y * x);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.0) or not (y <= 5.6e-9): tmp = y * (x - z) else: tmp = z + (y * x) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.0) || !(y <= 5.6e-9)) tmp = Float64(y * Float64(x - z)); else tmp = Float64(z + Float64(y * x)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -1.0) || ~((y <= 5.6e-9))) tmp = y * (x - z); else tmp = z + (y * x); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.0], N[Not[LessEqual[y, 5.6e-9]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], N[(z + N[(y * x), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1 \lor \neg \left(y \leq 5.6 \cdot 10^{-9}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z + y \cdot x\\
\end{array}
\end{array}
if y < -1 or 5.59999999999999969e-9 < y Initial program 94.9%
Taylor expanded in y around inf 98.7%
neg-mul-198.7%
sub-neg98.7%
Simplified98.7%
if -1 < y < 5.59999999999999969e-9Initial program 100.0%
Taylor expanded in y around 0 99.4%
Final simplification99.1%
(FPCore (x y z) :precision binary64 (if (or (<= y -1e-17) (not (<= y 1.35e-12))) (* y (- x z)) (* z (- 1.0 y))))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1e-17) || !(y <= 1.35e-12)) {
tmp = y * (x - z);
} else {
tmp = z * (1.0 - y);
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if ((y <= (-1d-17)) .or. (.not. (y <= 1.35d-12))) then
tmp = y * (x - z)
else
tmp = z * (1.0d0 - y)
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -1e-17) || !(y <= 1.35e-12)) {
tmp = y * (x - z);
} else {
tmp = z * (1.0 - y);
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1e-17) or not (y <= 1.35e-12): tmp = y * (x - z) else: tmp = z * (1.0 - y) return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1e-17) || !(y <= 1.35e-12)) tmp = Float64(y * Float64(x - z)); else tmp = Float64(z * Float64(1.0 - y)); end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -1e-17) || ~((y <= 1.35e-12))) tmp = y * (x - z); else tmp = z * (1.0 - y); end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1e-17], N[Not[LessEqual[y, 1.35e-12]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], N[(z * N[(1.0 - y), $MachinePrecision]), $MachinePrecision]]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1 \cdot 10^{-17} \lor \neg \left(y \leq 1.35 \cdot 10^{-12}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z \cdot \left(1 - y\right)\\
\end{array}
\end{array}
if y < -1.00000000000000007e-17 or 1.3499999999999999e-12 < y Initial program 95.3%
Taylor expanded in y around inf 97.3%
neg-mul-197.3%
sub-neg97.3%
Simplified97.3%
if -1.00000000000000007e-17 < y < 1.3499999999999999e-12Initial program 100.0%
+-commutative100.0%
distribute-lft-out--100.0%
*-rgt-identity100.0%
cancel-sign-sub-inv100.0%
+-commutative100.0%
+-commutative100.0%
associate-+l+100.0%
distribute-lft-neg-out100.0%
remove-double-neg100.0%
distribute-rgt-neg-out100.0%
distribute-neg-out100.0%
sub-neg100.0%
distribute-rgt-neg-out100.0%
sub-neg100.0%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in y around inf 77.2%
Taylor expanded in x around 0 57.7%
sub-neg57.7%
distribute-rgt-in57.7%
*-rgt-identity57.7%
associate-*l/57.7%
associate-*r/57.5%
associate-*l*80.3%
lft-mult-inverse80.5%
distribute-lft-neg-in80.5%
distribute-rgt-neg-out80.5%
distribute-lft-in80.5%
sub-neg80.5%
Simplified80.5%
Final simplification88.8%
(FPCore (x y z) :precision binary64 (if (or (<= y -3.6e-15) (not (<= y 1.4e-12))) (* y (- x z)) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -3.6e-15) || !(y <= 1.4e-12)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if ((y <= (-3.6d-15)) .or. (.not. (y <= 1.4d-12))) then
tmp = y * (x - z)
else
tmp = z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -3.6e-15) || !(y <= 1.4e-12)) {
tmp = y * (x - z);
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -3.6e-15) or not (y <= 1.4e-12): tmp = y * (x - z) else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -3.6e-15) || !(y <= 1.4e-12)) tmp = Float64(y * Float64(x - z)); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -3.6e-15) || ~((y <= 1.4e-12))) tmp = y * (x - z); else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -3.6e-15], N[Not[LessEqual[y, 1.4e-12]], $MachinePrecision]], N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -3.6 \cdot 10^{-15} \lor \neg \left(y \leq 1.4 \cdot 10^{-12}\right):\\
\;\;\;\;y \cdot \left(x - z\right)\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -3.6000000000000001e-15 or 1.4000000000000001e-12 < y Initial program 95.3%
Taylor expanded in y around inf 97.3%
neg-mul-197.3%
sub-neg97.3%
Simplified97.3%
if -3.6000000000000001e-15 < y < 1.4000000000000001e-12Initial program 100.0%
+-commutative100.0%
distribute-lft-out--100.0%
*-rgt-identity100.0%
cancel-sign-sub-inv100.0%
+-commutative100.0%
+-commutative100.0%
associate-+l+100.0%
distribute-lft-neg-out100.0%
remove-double-neg100.0%
distribute-rgt-neg-out100.0%
distribute-neg-out100.0%
sub-neg100.0%
distribute-rgt-neg-out100.0%
sub-neg100.0%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in y around inf 77.2%
Taylor expanded in y around 0 80.3%
Final simplification88.7%
(FPCore (x y z) :precision binary64 (if (or (<= y -1.3e-16) (not (<= y 1.3e-12))) (* y x) z))
double code(double x, double y, double z) {
double tmp;
if ((y <= -1.3e-16) || !(y <= 1.3e-12)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
real(8) :: tmp
if ((y <= (-1.3d-16)) .or. (.not. (y <= 1.3d-12))) then
tmp = y * x
else
tmp = z
end if
code = tmp
end function
public static double code(double x, double y, double z) {
double tmp;
if ((y <= -1.3e-16) || !(y <= 1.3e-12)) {
tmp = y * x;
} else {
tmp = z;
}
return tmp;
}
def code(x, y, z): tmp = 0 if (y <= -1.3e-16) or not (y <= 1.3e-12): tmp = y * x else: tmp = z return tmp
function code(x, y, z) tmp = 0.0 if ((y <= -1.3e-16) || !(y <= 1.3e-12)) tmp = Float64(y * x); else tmp = z; end return tmp end
function tmp_2 = code(x, y, z) tmp = 0.0; if ((y <= -1.3e-16) || ~((y <= 1.3e-12))) tmp = y * x; else tmp = z; end tmp_2 = tmp; end
code[x_, y_, z_] := If[Or[LessEqual[y, -1.3e-16], N[Not[LessEqual[y, 1.3e-12]], $MachinePrecision]], N[(y * x), $MachinePrecision], z]
\begin{array}{l}
\\
\begin{array}{l}
\mathbf{if}\;y \leq -1.3 \cdot 10^{-16} \lor \neg \left(y \leq 1.3 \cdot 10^{-12}\right):\\
\;\;\;\;y \cdot x\\
\mathbf{else}:\\
\;\;\;\;z\\
\end{array}
\end{array}
if y < -1.2999999999999999e-16 or 1.29999999999999991e-12 < y Initial program 95.3%
Taylor expanded in x around inf 45.5%
*-commutative45.5%
Simplified45.5%
if -1.2999999999999999e-16 < y < 1.29999999999999991e-12Initial program 100.0%
+-commutative100.0%
distribute-lft-out--100.0%
*-rgt-identity100.0%
cancel-sign-sub-inv100.0%
+-commutative100.0%
+-commutative100.0%
associate-+l+100.0%
distribute-lft-neg-out100.0%
remove-double-neg100.0%
distribute-rgt-neg-out100.0%
distribute-neg-out100.0%
sub-neg100.0%
distribute-rgt-neg-out100.0%
sub-neg100.0%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in y around inf 77.2%
Taylor expanded in y around 0 80.3%
Final simplification63.0%
(FPCore (x y z) :precision binary64 (+ z (* y (- x z))))
double code(double x, double y, double z) {
return z + (y * (x - z));
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z + (y * (x - z))
end function
public static double code(double x, double y, double z) {
return z + (y * (x - z));
}
def code(x, y, z): return z + (y * (x - z))
function code(x, y, z) return Float64(z + Float64(y * Float64(x - z))) end
function tmp = code(x, y, z) tmp = z + (y * (x - z)); end
code[x_, y_, z_] := N[(z + N[(y * N[(x - z), $MachinePrecision]), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
z + y \cdot \left(x - z\right)
\end{array}
Initial program 97.6%
+-commutative97.6%
distribute-lft-out--97.6%
*-rgt-identity97.6%
cancel-sign-sub-inv97.6%
+-commutative97.6%
+-commutative97.6%
associate-+l+97.6%
distribute-lft-neg-out97.6%
remove-double-neg97.6%
distribute-rgt-neg-out97.6%
distribute-neg-out97.6%
sub-neg97.6%
distribute-rgt-neg-out97.6%
sub-neg97.6%
distribute-rgt-out--100.0%
Simplified100.0%
Final simplification100.0%
(FPCore (x y z) :precision binary64 z)
double code(double x, double y, double z) {
return z;
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z
end function
public static double code(double x, double y, double z) {
return z;
}
def code(x, y, z): return z
function code(x, y, z) return z end
function tmp = code(x, y, z) tmp = z; end
code[x_, y_, z_] := z
\begin{array}{l}
\\
z
\end{array}
Initial program 97.6%
+-commutative97.6%
distribute-lft-out--97.6%
*-rgt-identity97.6%
cancel-sign-sub-inv97.6%
+-commutative97.6%
+-commutative97.6%
associate-+l+97.6%
distribute-lft-neg-out97.6%
remove-double-neg97.6%
distribute-rgt-neg-out97.6%
distribute-neg-out97.6%
sub-neg97.6%
distribute-rgt-neg-out97.6%
sub-neg97.6%
distribute-rgt-out--100.0%
Simplified100.0%
Taylor expanded in y around inf 88.5%
Taylor expanded in y around 0 42.4%
(FPCore (x y z) :precision binary64 (- z (* (- z x) y)))
double code(double x, double y, double z) {
return z - ((z - x) * y);
}
real(8) function code(x, y, z)
real(8), intent (in) :: x
real(8), intent (in) :: y
real(8), intent (in) :: z
code = z - ((z - x) * y)
end function
public static double code(double x, double y, double z) {
return z - ((z - x) * y);
}
def code(x, y, z): return z - ((z - x) * y)
function code(x, y, z) return Float64(z - Float64(Float64(z - x) * y)) end
function tmp = code(x, y, z) tmp = z - ((z - x) * y); end
code[x_, y_, z_] := N[(z - N[(N[(z - x), $MachinePrecision] * y), $MachinePrecision]), $MachinePrecision]
\begin{array}{l}
\\
z - \left(z - x\right) \cdot y
\end{array}
herbie shell --seed 2024163
(FPCore (x y z)
:name "Diagrams.TwoD.Segment:bezierClip from diagrams-lib-1.3.0.3"
:precision binary64
:alt
(! :herbie-platform default (- z (* (- z x) y)))
(+ (* x y) (* z (- 1.0 y))))